Stan's NoTubes Grail Comp Rear

Stan's NoTubes Grail Comp Rear
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Details

Your bike can do more. Whether you're riding and racing on gravel, pavement, or between the tape at a cyclocross race, Grail wheels with Stan's patented BST-R tubeless technology offer less rolling resistance, more control, and the ability to seal most punctures almost instantly. Upgrade your bike to the leading tubeless rim design, and find out what you've been missing. The Grail's versatile BST-R rim design makes it compatible with tubeless road tires, low-pressure tubeless converted tires, and conventional tires and tubes, offering you total flexibility in a single wheelset. The Grail's wider shape improves both cornering and straight line tire stability. With triple freehub bearings, co-molded seals, and full CNC machined bodies, the Grail's Neo hubs are ready for big miles and whatever conditions you can throw at them.

Grail wheels come with yellow tape and 44mm tubeless valves installed. Rear wheels ship with 12x142mm TA end caps installed, and also include QR end caps and skewers.

- Designed for gravel, cyclocross, and road
- BST-R Tubeless Technology for road 25-40mm road tubeless tires, traditional road tires when used with tubes, and low-pressure tubeless cyclocross tires
- Compatible with Shimano 9, 10, and 11-speed cassettes
- Faster engaging, 100% CNC machined Neo hubs with Durasync
- Chrome Steel bearing
- Wide, low-profile rim design for better cornering and faster rolling
- Compatible with standard clincher tires when used with tubes
- Disc brake only
- 250 lbs. rider weight limit

Tubeless Rim/Tire Cross-Section

Going tubeless allows you to run lower tire pressures without the added weight of a tube. Lower tire pressure has many benefits, including greater traction, lower rolling resistance over rough surfaces, and decreased risk of a puncture-related flat.

Tubeless-ready rims and tires are parts of a complete system that eliminate the need for tubes by creating an airtight chamber between the rim and tire. Liquid sealant is added to the chamber to fill small punctures and maintain air pressure while you ride.

UST (Universal Standard for Tubeless) is a specific type of tubeless system that dictates the shape of the rim and tire bead. UST rims should be paired with UST-specific tires for best results.

Specs

Rim Material 6061 Aluminum Alloy
Brake Compatibility Disc only
Axle 142 x 12mm
Rim Depth 24.5mm
Inner Rim Width 20.3mm
Outer Rim Width 24.1mm
Hub Neo with Durasync
Spokes Sapim Force Black 2.0/1.7/1.8mm
Spoke Count 32
Nipples Sapim Secure Lock Alloy Black
Valve Type 44mm Presta

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